221405920

素因数分解:

$2^5\times 5^1\times {\mathrm{233}}^1\times {\mathrm{5939}}^1$

素因数の和:6187

約数の個数: 48

約数和(自身を含む): 525404880

約数和(自身を除く): 303998960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 233, 466, 932, 1165, 1864, 2330, 3728, 4660, 5939, 7456, 9320, 11878, 18640, 23756, 29695, 37280, 47512, 59390, 95024, 118780, 190048, 237560, 475120, 950240, 1383787, 2767574, 5535148, 6918935, 11070296, 13837870, 22140592, 27675740, 44281184, 55351480, 110702960, 221405920]

約数ペア:

[(1, 221405920), (2, 110702960), (4, 55351480), (5, 44281184), (8, 27675740), (10, 22140592), (16, 13837870), (20, 11070296), (32, 6918935), (40, 5535148), (80, 2767574), (160, 1383787), (233, 950240), (466, 475120), (932, 237560), (1165, 190048), (1864, 118780), (2330, 95024), (3728, 59390), (4660, 47512), (5939, 37280), (7456, 29695), (9320, 23756), (11878, 18640)]